<template>
  <div class="login-container">
    <el-row>
      <el-col :span="12" :xs="0"></el-col>
      <el-col :span="12" :xs="12" class="right">
        <el-form class="login-form" :rules="rules" :model="user" status-icon ref="loginForms">
          <el-form-item prop="username">
            <el-input
              placeholder="Please username"
              :prefix-icon="User"
              v-model="user.username"
              class=".login-input"
            ></el-input>
          </el-form-item>

          <el-form-item prop="password">
            <el-input
              placeholder="Please password"
              :prefix-icon="Search"
              show-password
              v-model="user.password"
              class=".login-input"
            ></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" :loading="isLoading" @click="login" class="login-button"
              >登录</el-button
            >
          </el-form-item>
        </el-form>
      </el-col>
    </el-row>
  </div>
</template>

<script setup lang="ts">
//引入icon
import { User, Search } from '@element-plus/icons-vue'
//导入ref
import { ref } from 'vue'
//引入用户的小仓库
import { useUserStore } from '@/store/modules/user'
const userStore = useUserStore()
//引入el组件的提示框
import { ElMessage, ElNotification } from 'element-plus'
//引入路由
import { useRouter } from 'vue-router'
//引入获取事件的工具
import { getTime } from '@/utils/getTime'

const router = useRouter()
const isLoading = ref(false)
//绑定数据
const user = ref({
  username: 'admin',
  password: '111111',
})
const loginForms = ref(null)
//按钮的点击事件
const login = async () => {
  await loginForms.value.validate()

  isLoading.value = true
  try {
    await userStore.userLogin(user.value)
    router.push('/')
    ElNotification({
      type: 'success',
      message: '登录成功',
      title: `HI,${getTime()}好`,
      duration: 2000,
    })
    // 登录成功， 加载消失
    isLoading.value = false
  } catch (error) {
    // 登录失败， 加载消失
    isLoading.value = false
    ElNotification({
      type: 'error',
      message: error.message,
      duration: 2000,
    })
  }
}
//表单校验的rules
const rules = {
  //校验属性意思：
  //required： 是否必填
  //min： 最小长度
  //max： 最大长度
  //pattern： 正则校验
  //trigger： 触发校验方式，默认是blur
  //message： 错误提示信息

  username: [
    {
      required: true,
      min: 3,
      max: 12,
      message: '用户名长度在6-12位之间',
      trigger: 'change',
    },
  ],
  password: [
    {
      required: true,
      min: 3,
      max: 12,
      message: '用户名长度在6-12位之间',
      trigger: 'change',
    },
  ],
}
</script>

<style scoped lang="scss">
.login-container {
  height: 100vh;
  width: 100%;
  background: url('@/assets/images/background.jpg') no-repeat no-repeat;
  background-size: cover;

  .right {
    //border: 1px solid #ccc;
    position: relative;
    top: 30vh;
    margin: 0 auto;
    background: url('@/assets/images/login_form.png') no-repeat no-repeat;
    background-size: cover;
    padding: 20px 30px;

    .login-form {
      //border: 1px solid #ccc;
      width: 100%;
      //居中
      margin: 0 auto;

      .login-button {
        width: 100%;
      }
    }
  }
}
</style>
